.px2rem(@name, @px){
    @{name}: @px / 75 * 1rem;
}
body{
    background: #eeeeee;
    .header{
        .px2rem(height, 90);
        width:100%;
        background: #000;
        color: #c6c6c7;
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: fixed;
        left:0;
        top:0;
        z-index: 109;
        .left,.right{
            .px2rem(width, 150);
            .px2rem(line-height, 90);
            .px2rem(font-size, 28);
            text-align: center;
        }
        .center{
            .px2rem(width, 220);
            .px2rem(line-height, 90);
            .px2rem(font-size, 34);
            text-align: center;
        }
    }
    .main{
        .px2rem(margin-top, 90);
        .column{
            .px2rem(margin-bottom, 30);
            background: #ffffff;
            img{
                width: 100%;
            }
            .title{
                .px2rem(margin-left, 20);
                .px2rem(font-size, 30);
                .px2rem(line-height, 80);
                color:#999;
                span{
                    float: right;
                    .px2rem(margin-right, 20);
                    color: red;
                }
            }
            .summary{
                .px2rem(margin-left, 20);
                .px2rem(padding-bottom, 20);
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
                color: #696969;
            }
        }
    }
    .main .column:last-child{
        .px2rem(margin-bottom, 50);
    }
}